pm: Fix possible undefined reference

Function pm_state_cpu_get_all is declared in state.h but it is only implemented if CONFIG_PM is set. Add an inline implementation for when CONFIG_PM is not set. Signed-off-by: Flavio Ceolin <[email protected]>
zephyrproject-rtos · Oct 19, 2023 · 0e1a6c5 · 0e1a6c5
1 parent 0c3bb8d
commit 0e1a6c5
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/include/zephyr/pm/state.h b/include/zephyr/pm/state.h
@@ -329,6 +329,7 @@ struct pm_state_info {
 	}
 
 
+#if defined(CONFIG_PM) || defined(__DOXYGEN__)
 /**
  * Obtain information about all supported states by a CPU.
  *
@@ -343,6 +344,18 @@ uint8_t pm_state_cpu_get_all(uint8_t cpu, const struct pm_state_info **states);
  * @}
  */
 
+#else  /* CONFIG_PM */
+
+static inline uint8_t pm_state_cpu_get_all(uint8_t cpu, const struct pm_state_info **states)
+{
+	ARG_UNUSED(cpu);
+	ARG_UNUSED(states);
+
+	return 0;
+}
+
+#endif /* CONFIG_PM */
+
 #ifdef __cplusplus
 }
 #endif